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J-B ExtremeHeat™

3 oz.

$ 9.99

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J-B Weld™ ExtremeHeat™ is formulated to allow for repairs to iron, steel and metal in high temperature environments (2400°F / 1300°C). When fully cured, this metallic compound can be drilled, machined or sanded. It is great for repairing cracks, small gaps, seam connections or holes in exhaust manifolds, pipe connections, mufflers, catalytic converters, outdoor grills, fire boxes, gas and commercial furnaces and water heaters. This product is water based, non-flammable and contains no solvents or Volatile Organic Compounds (VOCs).

Great For

Exhaust Manifolds

Tail Pipes

Mufflers

Engine Blocks

Duct Work

Heat Exchange Units

Fire Box / Fire Place

Outdoor Grills

Made in the USA
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HighHeat Epoxy Putty

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HighHeat is a hand mixable epoxy putty stick specifically formulated to bond and repair materials that will be exposed to high temperatures in automotive and industrial maintenance applications. It cures to a...

Instructions

Prepare:
Remove dirt, debris or loose contaminants from surface. Use sand paper to roughen. For some repairs, open small cracks further with a drill or screwdriver to create a 1/8" gap.

Mix:
Open J-B Weld® Extreme Heat™. Thoroughly mix product.

Apply:
Use product generously, working onto surface or into hole, crack, pit or seam. Repeat as needed. Allow 2-4 hours set up,
depending on temperature and current environment.

Dry:
Test cure by pressing fingernail or thumbnail into repair material. If unable to penetrate,
then repair is complete. If area appears slightly soft, use a non-flame heat source,
such as a hair dryer, to speed cure time,
or allow 24 hours before allowing high heat exposure. Repeat test until fully cured.

Safety Data Sheet Request

If this is a medical emergency, please contact a poison control center at 800-222-1222 (24 hour emergency poison / medical response info).

If this is a transportation emergency, please contact ChemTrec at 800-424-9300 or 703-527-3887 (24 hour transportation emergency response info).

Otherwise please provide your e-mail address and the SDS link will be sent to you momentarily.